Total babies named Ruthmary (all years): 214
| Year | Girls (count / rank / %) |
|---|---|
| 1949 | 7 / #4596 / 0.000% |
| 1947 | 6 / #5197 / 0.000% |
| 1944 | 8 / #3638 / 0.001% |
| 1941 | 7 / #3891 / 0.001% |
| 1939 | 8 / #3374 / 0.001% |
| 1938 | 5 / #4894 / 0.000% |
| 1937 | 9 / #3114 / 0.001% |
| 1934 | 7 / #3748 / 0.001% |
| 1933 | 6 / #4149 / 0.001% |
| 1931 | 6 / #4269 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1930 | 7 / #3988 / 0.001% |
| 1929 | 7 / #3992 / 0.001% |
| 1927 | 8 / #3821 / 0.001% |
| 1926 | 12 / #2853 / 0.001% |
| 1925 | 8 / #3975 / 0.001% |
| 1924 | 7 / #4375 / 0.001% |
| 1923 | 10 / #3320 / 0.001% |
| 1922 | 14 / #2583 / 0.001% |
| 1921 | 13 / #2744 / 0.001% |
| 1920 | 12 / #2869 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1919 | 8 / #3758 / 0.001% |
| 1918 | 7 / #4225 / 0.001% |
| 1917 | 10 / #3049 / 0.001% |
| 1916 | 10 / #3000 / 0.001% |
| 1915 | 5 / #4855 / 0.001% |
| 1914 | 7 / #3131 / 0.001% |